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National Stock Number:
3040-01-484-0940
Federal Supply Class:
3040
National Item Identification Number:
014840940
Description:
SHAFT,SHOULDERED
Detail:
A shaft having two or more different diameters (greater than 0.031 inches (0.79 millimeter)) along its length. It must have one or more of the following conditions: a specified surface finish designation in the range 1 to 125 microinches (0.025 to 3.2 micrometers) arithmetical average (AA), machined peripheral flat(s), circular groove(s), keyway(s), splines, threads, or holes. The ends and/or shoulders may be machined to accommodate bearings, couplings, and the like. It is not designed for use in aligning by fitting into corresponding holes of another item. For items used to support rotating members see AXLE(1), SHOULDERED. For items not having any of the above conditions see PIN, SHOULDER, HEADLESS. Excludes SHAFT(1), STRAIGHT; and AXLE(1), STRAIGHT.
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Manufacturer Information:
| 122-6722635 PC 8 | 53711 | NAVAL SEA SYSTEMS COMMAND | | 122-6818601 PC 85 | 53711 | NAVAL SEA SYSTEMS COMMAND | | 6722635 | 53711 | NAVAL SEA SYSTEMS COMMAND | | 6818601 | 53711 | NAVAL SEA SYSTEMS COMMAND |
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Techincal Specification:
| END SIMILARITY | NOT IDENTICAL | | FIRST END DIAMETER | 0.9835 INCHES MINIMUM AND 0.9840 INCHES MAXIMUM | | FIRST END STYLE | PLAIN | | LARGEST STEP DIAMETER | 1.248 INCHES MINIMUM AND 1.249 INCHES MAXIMUM | | OVERALL LENGTH | 6.250 INCHES NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-741 FED SPEC SINGLE MATERIAL RESPONSE | | MATERIAL | STEEL | | SECOND END DISTANCE FROM KEYWAY CENTER TO END | 0.687 INCHES NOMINAL | | SECOND END EXTERNAL KEYWAY LENGTH | 0.625 INCHES NOMINAL | | SECOND END DIAMETER | 0.4990 INCHES MINIMUM AND 0.5000 INCHES MAXIMUM | | SECOND END STYLE | INDENTED FLAT KEYWAY | | SECOND END KEYWAY DEPTH | 0.062 INCHES NOMINAL | | SECOND END KEYWAY WIDTH | 0.1250 INCHES NOMINAL | | SPECIAL FEATURES | PART OF AIRCRAFT CARRIER ELEVATOR DOOR LOCKING MECHANISM | | STEP QUANTITY | 7 | | SUPPLEMENTARY FEATURES | KEYWAY IN 3RD STEP. CIRCUMFERENTIAL GROOVE SEPARATES 5TH AND 6TH STEPS. KEYWAY EXTENDS THROUGH 6TH STEP INTO 5TH STEP | | SURFACE FINISH | 125.0 MICROINCHES |
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